What are the harms of smoking to the body, and what are the harms of smoking?

Overall, smoking is harmful to the person's body and not beneficial. As far as your question is concerned, some people live a long life but smoke all the time, and some people don't smoke but die of cancer at an early age, it depends on the situation, because there are many factors that cause cancer. First, from the perspective of personal character, although he smokes, he is very cheerful in life, and he can think about anything.

Second, from the perspective of personal dietary habits, good eating habits have the possibility of alleviating cancer. The third is that some people don't smoke, but they are in the environment of many smokers, and they inhale second-hand smoke, which is the most serious, so it causes cancer. The fourth is the environment in which people live, such as people who live in places with a better environment, and the air is also helpful to smokers, and so on.

The crux of your question is that not all cancers come from smoking, and there are many other factors that can cause various cancers.

It can easily cause respiratory diseases, damage human nerves or muscle tissue, and excessive smoking can cause cancer. In short, for the sake of family and friends, it is best not to smoke.

There are many harms of smoking, but for people who are addicted to smoking, smoking is a kind of spiritual food, and smoking can relieve boredom if they are in a bad mood.

Smoking is a real health hazard.

Because tobacco contains nicotine (nicotine), it is highly toxic. It has been reported that nicotine in one cigarette can poison 10 mice, nicotine in 25 cigarettes can poison a cow, and 40 60 milligrams of nicotine can kill people. Nicotine damages brain cells, causing central nervous system symptoms in smokers; It causes increased blood pressure, rapid heartbeat, and even arrhythmia and heart disease; Causes stomach pain and other stomach problems; Damage to the bronchial mucosa, causing chronic bronchitis.

More seriously, tobacco dramatically increases the risk of cancer in the lungs, mouth, pharynx, larynx, esophagus, pancreas, bladder and renal pelvis, as well as cancers and leukemia in the nasal cavity, sinuses, stomach, liver, kidneys, cervix. Their danger is determined by how long and how much smokers smoke. For some smokers, alcoholic beverages can also exacerbate the health effects.

However, there is also evidence that smoking does not cause breast cancer and can reduce the frequency of cancer of the uterine wall.

There are no clear results showing the association between smoking and the risk of rectal, colon and prostate cancer.

Some of these types of cancer are more likely to be affected by objects in the smoker's field, smoker drinking, and smoker infection.